Select [Open] from the [File] menu and choose an existing PDF file to open it.
You can also open a PDF file in the following ways:
Select [Open with new window] from the [File] menu and choose an existing PDF file. This allows you to launch multiple windows of this product.
If a PDF file has restrictions set, a dialog may appear when you open the file.
The dialog that appears varies depending on the restrictions. Please refer to the following table for details.
This document is protected. Enter the document open password. | This message is displayed when you open a PDF that has security set to require a password to open. Please enter the user password or master password (owner password).
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Although this document was enciphered using the certificate, there is no certificate to decode. | This message may be displayed when you open a PDF that has PKI security set to only be able to open in an environment where the necessary certificate exists. This message is displayed if the necessary certificate is not installed on the machine in use. |
Performing file activation. An activated file can be viewed only on the computer on which activation was carried out. Continue? |
This is the message displayed when you open a PDF with time-limited security for the first time. To open the file, press [OK] to perform activation. The activated PDF file can only be opened by the PC and user who performed the activation, and it can be opened only a set number of times until the set viewing deadline. If “File activation failed. The file cannot be opened.” is displayed, it means the file has already been activated on another PC.
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The file you have opened is a PDF file with a time limit. | This is the message displayed when you open a time-limited PDF. The number of views and the viewing deadline will be displayed. Press [OK] to open the PDF. You can also check these viewing restriction information in [Document properties]. |
The viewing limit set in the PDF you are trying to open has been exceeded. The PDF you have tried to open will be deleted. |
This is the message displayed when you try to open a time-limited PDF after the date set as the viewing deadline. When you press [OK], the PDF will be automatically deleted.
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The file cannot be opend because there is a possibility that the computer date has been changed. | This is the message displayed when you try to open an activated PDF with a set viewing deadline on a PC where the date may have been changed.
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Please enter the license User ID and the password. | To open the PDF, you need to enter the user ID and password. If you do not know, please contact the creator of the PDF. Authentication is done via the internet. You cannot view this PDF on an offline PC. |
No information for time limit is set. Set it in preferences. | The settings in the [Time Limit] tab of [Preferences] are insufficient. |
The file you have tried to open is a PDF file with a time limit. Failed to authenticate with the timed authentication server. |
You may have failed to authenticate for the following reasons.
Please contact the creator of the PDF as needed. |